Fragmented-Epsom salt

[Nu2SW]

Here is the link to what Rich was telling you about the epsom salt.

http://www.advancedaquarist.com/issues/april2004/chem.htm

I also found this one by Randy, which I think is a revision to his original and maybe changed a couple of things.
http://www.reefkeeping.com/issues/2006-02/rhf/index.php

 

[Fragmented]

Thanks